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  <title>取消图像颜色的分配</title>
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    <li><a href="ref.image.html">GD 和图像处理 函数</a></li>
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  <div id="layout-content"><div id="function.imagecolordeallocate" class="refentry">
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  <h1 class="refname">imagecolordeallocate</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">imagecolordeallocate</span> &mdash; <span class="dc-title">取消图像颜色的分配</span></p>

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 <div class="refsect1 unknown-seealsp" id="refsect1-function.imagecolordeallocate-unknown-seealsp">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>imagecolordeallocate</strong></span>(<span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$color</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>imagecolordeallocate()</strong></span> 函数取消先前由
   <span class="function"><a href="function.imagecolorallocate.html" class="function">imagecolorallocate()</a></span> 或
   <span class="function"><a href="function.imagecolorallocatealpha.html" class="function">imagecolorallocatealpha()</a></span> 分配的颜色。
   <div class="informalexample">
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$white&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagecolordeallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$white</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
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  <p class="para">
   参见 <span class="function"><a href="function.imagecolorallocate.html" class="function">imagecolorallocate()</a></span> 和
   <span class="function"><a href="function.imagecolorallocatealpha.html" class="function">imagecolorallocatealpha()</a></span>。
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